Two Pointers Problems
Practice 10 Two Pointers coding problems on Code Arena — from easy to hard, each with a live judge and a solution editorial.
- Move Zeroes — Easy · Arrays, Two Pointers
- Valid Palindrome — Medium · Strings, Two Pointers
- Two Sum (Sorted) — Medium · Two Pointers, Arrays
- Count Distinct (Sorted) — Medium · Two Pointers, Arrays
- Subarray With Target Sum — Medium · Sliding Window, Two Pointers, Prefix Sum
- Sort Colors — Medium · Sorting, Two Pointers
- Minimum Size Subarray Sum — Medium · Sliding Window, Two Pointers
- Trapping Rain Water — Hard · Two Pointers
- Subarrays With Product Below K — Medium · Sliding Window, Two Pointers
- Container With Most Water — Medium · Two Pointers